Let cheques be received or paid without an invoice, and remind staff three days before due date.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/app.module.ts

@@ -1,5 +1,6 @@
 import { Module } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
+import { ScheduleModule } from '@nestjs/schedule';
 import { PrismaModule } from './prisma/prisma.module';
 import { HealthModule } from './health/health.module';
 import { AuthModule } from './auth/auth.module';
@@ -36,6 +37,7 @@ import { FinanceModule } from './finance/finance.module';
       isGlobal: true,
       envFilePath: ['.env', '../../.env'],
     }),
+    ScheduleModule.forRoot(),
     AiModule,
     PrismaModule,
     StorageModule,